Alright, let's work through 9943 times 8470 step by step
9943 × 8470 = 8470 × (9943)
+ 8470 × 3 yielding 25410
+ 8470 × 40 that equals 338800
+ 8470 × 900 that is equal 7623000
+ 8470 × 9000 yielding 76230000

= 84217210
